Finding the Fourth Proportional to 491,237.63, 736,856.30 and 136,251.68
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Solution
The fourth proportional to 491,237.63, 736,856.30 and 136,251.68 is: 204,377.49
Step by Step Solution
- Step 1: Write the proportion equation
491,237.63 : 736,856.30 = 136,251.68 : x - Step 2: Convert to fraction form
491,237.63/736,856.30 = 136,251.68/x - Step 3: Cross multiply
491,237.63x = 736,856.30 × 136,251.68 - Step 4: Simplify right side
491,237.63x = 100,397,910,976.35 - Step 5: Solve for x
x = 100,397,910,976.35/491,237.63 - Step 6: Final answer
x = 204,377.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.